6389522387 has 2 divisors, whose sum is σ = 6389522388. Its totient is φ = 6389522386.

The previous prime is 6389522281. The next prime is 6389522413. The reversal of 6389522387 is 7832259836.

6389522387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6389522387 - 2²⁰ = 6388473811 is a prime.

It is not a weakly prime, because it can be changed into another prime (6389522687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3194761193 + 3194761194.

It is an arithmetic number, because the mean of its divisors is an integer number (3194761194).

Almost surely, 2^6389522387 is an apocalyptic number.

6389522387 is a deficient number, since it is larger than the sum of its proper divisors (1).

6389522387 is an equidigital number, since it uses as much as digits as its factorization.

6389522387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 53.

The square root of 6389522387 is about 79934.4880949393. The cubic root of 6389522387 is about 1855.6217972991.

The spelling of 6389522387 in words is "six billion, three hundred eighty-nine million, five hundred twenty-two thousand, three hundred eighty-seven".